00000nam 2200000zi 4500 9.876584 CaOODSP 20241203113650 m go d f cr |n||||||||| 190718s1991 oncd #otb f000 0 eng d CaOODSP eng rda CaOODSP eng fre n-cn--- En13-5/91-106E-PDF Sekerka, I., author. Determination of lead in water by flameless atomic absorption spectrometry and nickel-ammonium-tartrate modifier / I. Sekerka and J.F. Lechner. Burlington, Ontario : National Water Research Institute = Institut national de recherche sur les eaux, [1991] 1 online resource (iv, 17 pages) : figures. text txt rdacontent computer c rdamedia online resource cr rdacarrier NWRI contribution ; 91-106 Digitized edition from print [produced by Environment and Climate Change Canada]. Cover title. Includes bibliographical references (pages 11-12). "This report describes a method for the determination of low concentrations of lead in water samples. The method is based on the application of atomic absorption spectrophotometry using a Zeeman modulated tungsten ribbon furnace. Analytical interferences are eliminated by the addition of ammonium tartrate-nickel [II] nitrate to the samples to act as a matrix modifier and adjust the pH. The results show the superior performance of this modifier over other types used conventionally. A detection limit of 1 ppb with a relative standard deviation of less than 10% was achieved when a multiple injection procedure is used, a detection limit as low as 0.1 ppb can be obtained. The method requires simple instrumentation and is economical and efficient for the determination of lead in variety of water samples"--Abstract. Includes abstract in French. gccst Lead gccst Water pollution Lechner, Josef F., author. Canada. Environment Canada. National Water Research Institute (Canada) NWRI contribution ; 91-106. (CaOODSP)9.844121 PDF 1.98 MB https://publications.gc.ca/collections/collection_2019/eccc/en13-5/En13-5-91-106-eng.pdf